<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:featured:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:featured:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:featured:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="featuredList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" width="50">
        <template slot-scope="scope">
          {{queryParams.pageSize * (queryParams.pageNum - 1) + (scope.$index + 1)}}
        </template>
      </el-table-column>
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="图标" align="center" prop="icon">
        <template slot-scope="scope">
          <el-image
            style="width: 50px; height: 50px"
            :src="JSON.parse(scope.row.icon)[0].url"
            fit="fill"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="背景图" align="center" prop="backgroundPic">
        <template slot-scope="scope">
          <el-image
            style="width: 50px; height: 50px"
            :src="JSON.parse(scope.row.backgroundPic)[0].url"
            fit="fill"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:featured:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:featured:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改特色产品对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="80%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <div class="image-list">
          <el-form-item label="图标" prop="icon">
            <DragUpload v-model="form.icon" :data="imageIcon" @input="iconInput" />
          </el-form-item>
          <el-form-item label="背景图" prop="backgroundPic">
            <DragUpload v-model="form.backgroundPic" :data="imagePic" @input="picInput" />
          </el-form-item>
        </div>

        <el-form-item label="摘要" prop="digest">
          <el-input type="textarea" v-model="form.digest" :rows="3" placeholder="请输入摘要" :maxlength="200"></el-input>
        </el-form-item>

        <el-form-item label="内容">
          <editor v-model="content" :height="300"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { listFeatured, getFeatured, delFeatured, addFeatured, updateFeatured } from "@/api/system/article/featured";
  import DragUpload from "@/components/DragUpload/indexProduct.vue";
  import { Base64 } from "js-base64";
  export default {
    name: "Featured",
    components: {
      DragUpload
    },
    data() {
      return {
        imageIcon: [],
        imagePic: [],
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 特色产品表格数据
        featuredList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        content: null,
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          title: null,
          content: null,
          icon: null,
          backgroundPic: null
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      iconInput(val) {
        this.imageIcon = val
      },
      picInput(val) {
        this.imagePic = val
      },
      /** 查询特色产品列表 */
      getList() {
        this.loading = true;
        listFeatured(this.queryParams).then(response => {
          this.featuredList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          createBy: null,
          createTime: null,
          updateBy: null,
          updateTime: null,
          delFlag: null,
          title: null,
          content: null,
          icon: null,
          backgroundPic: null,
          digest:null
        };
        this.content = null
        this.imagePic = []
        this.imageIcon = []
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length!==1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加特色产品";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getFeatured(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改特色产品";
          this.content = Base64.decode(this.form.content)
          this.imagePic = JSON.parse(this.form.backgroundPic)
          this.imageIcon = JSON.parse(this.form.icon)
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (!this.form.icon) {
            this.$modal.msgWarning("请上传图标")
            valid = false
          }
          if (!this.form.backgroundPic) {
            this.$modal.msgWarning("请上传背景图")
            valid = false
          }
          if (!this.form.digest) {
            this.$modal.msgWarning("摘要不能为空")
            valid = false
          }

          if (!this.content) {
            this.$modal.msgWarning("内容不能为空")
            valid = false
          }
          if (valid) {
            this.form.icon = JSON.stringify(this.imageIcon)
            this.form.backgroundPic = JSON.stringify(this.imagePic)
            this.form.content = Base64.encode(this.content)
            if (this.form.id != null) {
              updateFeatured(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addFeatured(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除特色产品编号为"' + ids + '"的数据项？').then(function() {
          return delFeatured(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('system/featured/export', {
          ...this.queryParams
        }, `featured_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>

<style lang="scss">
.image-list {
  width: 100%;
  display: flex;
}
</style>
